Determine the density of CO2 gas at STP. A) 1.96 g/L B) 1.80 ...

[sarasara]

Determine the density of CO2 gas at STP.
 
  A) 1.96 g/L
  B) 1.80 g/L
  C) 2.24 g/L
  D) 4.46 g/L
  E) 5.10 g/L

Question 2

How many moles of N2O3 contain 2.55  1024 oxygen atoms?
 
  A) 1.41 moles N2O3
  B) 4.23 moles N2O3
  C) 12.7 moles N2O3
  D) 7.87 moles N2O3
  E) 2.82 moles N2O3

[JaynaD87]

Answer to Question 1

A

Answer to Question 2

A

[sarasara]

Wow, this really help

[ecabral0]

Thanks for the timely response, appreciate it